Network structures and topologies
2.2 Configurations
Station control system
98
System Manual, 07/2009, C79000-G8976-C178-07
Examples of redundant configurations
Redundant network configurations (examples)
Network
Redundant star network via
type:
2 dedicated lines each, mixed
with non-redundantly
connected stations
Protocol:
SINAUT ST7 and ST1
Mode: Polling
Network
Redundant point-to-point
type:
connection via two
dedicated
lines
Protocol:
SINAUT ST7 and ST1
Mode: Polling
Network
Redundant line network via
type:
2 dedicated lines each, mixed
with non-redundantly
connected stations
Protocol:
SINAUT ST7 and ST1
Mode: Polling
Master (control center)
Node station
Station
Network
Redundant Point-to-Point
type:
connection via dedicated line
and radio between control center
and node station;
subordinate stations connected
via a non-redundant star
network
Protocol:
SINAUT ST7 and ST1
Mode:
Polling or polling with time slot
procedure (wireless)
Network
Redundant point-to-point
type:
connection via dedicated line
and dial-up network
Protocol:
SINAUT ST7 and ST1
Mode: Polling
(dedicated
line)
Spontaneous (dial-up network)
Notes
Figure 2-10 Redundant configurations
For further options for setting up redundant transmission paths, refer to section Installing the
